//
//  UIButton+ImageTitleSpacing.m
//  SmartJack
//
//  Created by JianWei Chen on 16/8/3.
//  Copyright © 2016年 JianWei Chen. All rights reserved.
//

#import "UIButton+ImageTitleSpacing.h"
#import <objc/runtime.h>


@implementation UIButton (ImageTitleSpacing)

static char overviewKey;

@dynamic event;

- (void)layoutButtonWithEdgeInsetsStyle:(MKButtonEdgeInsetsStyle)style
                        imageTitleSpace:(CGFloat)space
{
    // 1. 得到imageView和titleLabel的宽、高
    CGFloat imageWith = self.imageView.frame.size.width;
    CGFloat imageHeight = self.imageView.frame.size.height;
    
    CGFloat labelWidth = 0.0;
    CGFloat labelHeight = 0.0;
    if ([UIDevice currentDevice].systemVersion.floatValue >= 8.0) {
        // 由于iOS8中titleLabel的size为0，用下面的这种设置
        labelWidth = self.titleLabel.intrinsicContentSize.width;
        labelHeight = self.titleLabel.intrinsicContentSize.height;
    } else {
        labelWidth = self.titleLabel.frame.size.width;
        labelHeight = self.titleLabel.frame.size.height;
    }
    
    // 2. 声明全局的imageEdgeInsets和labelEdgeInsets
    UIEdgeInsets imageEdgeInsets = UIEdgeInsetsZero;
    UIEdgeInsets labelEdgeInsets = UIEdgeInsetsZero;
    
    // 3. 根据style和space得到imageEdgeInsets和labelEdgeInsets的值
    switch (style) {
        case MKButtonEdgeInsetsStyleTop:
        {
            imageEdgeInsets = UIEdgeInsetsMake(-labelHeight-space/2.0, 0, 0, -labelWidth);
            labelEdgeInsets = UIEdgeInsetsMake(0, -imageWith, -imageHeight-space/2.0, 0);
        }
            break;
        case MKButtonEdgeInsetsStyleLeft:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, -space/2.0, 0, space/2.0);
            labelEdgeInsets = UIEdgeInsetsMake(0, space/2.0, 0, -space/2.0);
        }
            break;
        case MKButtonEdgeInsetsStyleBottom:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, 0, -labelHeight-space/2.0, -labelWidth);
            labelEdgeInsets = UIEdgeInsetsMake(-imageHeight-space/2.0, -imageWith, 0, 0);
        }
            break;
        case MKButtonEdgeInsetsStyleRight:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, labelWidth+space/2.0, 0, -labelWidth-space/2.0);
            labelEdgeInsets = UIEdgeInsetsMake(0, -imageWith-space/2.0, 0, imageWith+space/2.0);
        }
            break;
        default:
            break;
    }
    // 4. 赋值
    self.titleEdgeInsets = labelEdgeInsets;
    self.imageEdgeInsets = imageEdgeInsets;
}

- (void)showNumberOutstandingForColor:(UIColor *)color andFont:(UIFont *)font
{
    NSMutableAttributedString *AttributedStr = [[NSMutableAttributedString alloc]initWithString:self.titleLabel.text];
    
    for (int i = 0; i < self.titleLabel.text.length; i++) {
        int acII = [[self.titleLabel.text substringWithRange:NSMakeRange(i, 1)] characterAtIndex:0];
        if (acII >= 48 && acII <= 57){
            [AttributedStr addAttribute:NSFontAttributeName
             
                                  value:font
             
                                  range:NSMakeRange(i, 1)];
            
            [AttributedStr addAttribute:NSForegroundColorAttributeName
             
                                  value:color
             
                                  range:NSMakeRange(i, 1)];
        }else{
            [AttributedStr addAttribute:NSFontAttributeName
             
                                  value:self.titleLabel.font
             
                                  range:NSMakeRange(i, 1)];
            
            [AttributedStr addAttribute:NSForegroundColorAttributeName
             
                                  value:self.titleLabel.textColor
             
                                  range:NSMakeRange(i, 1)];
        }
    }
    
    self.self.titleLabel.attributedText = AttributedStr;
}

- (void)buttonHandleControlEvent:(UIControlEvents)controlEvent withBlock:(ButtonBlock)action
{
    objc_setAssociatedObject(self, &overviewKey, action, OBJC_ASSOCIATION_COPY_NONATOMIC);
    [self addTarget:self action:@selector(callActionBlock:) forControlEvents:controlEvent];
}

- (void)callActionBlock:(UIButton *)sender {
    ButtonBlock block = (ButtonBlock)objc_getAssociatedObject(self, &overviewKey);
    if (block) {
        block(sender);
    }
}
@end

@implementation UILabel (NumberOutstanding)

- (void)showNumberOutstandingForColor:(UIColor *)color andFont:(UIFont *)font
{
    NSMutableAttributedString *AttributedStr = [[NSMutableAttributedString alloc]initWithString:self.text];
    
    for (int i = 0; i < self.text.length; i++) {
        int acII = [[self.text substringWithRange:NSMakeRange(i, 1)] characterAtIndex:0];
        if (acII >= 48 && acII <= 57){
            [AttributedStr addAttribute:NSFontAttributeName
             
                                  value:font
             
                                  range:NSMakeRange(i, 1)];
            
            [AttributedStr addAttribute:NSForegroundColorAttributeName
             
                                  value:color
             
                                  range:NSMakeRange(i, 1)];
        }else{
            [AttributedStr addAttribute:NSFontAttributeName
             
                                  value:self.font
             
                                  range:NSMakeRange(i, 1)];
            
            [AttributedStr addAttribute:NSForegroundColorAttributeName
             
                                  value:self.textColor
             
                                  range:NSMakeRange(i, 1)];
        }
    }
    
    self.attributedText = AttributedStr;
}

@end
